by Fung Lai-sang & Kwan Tat-shing. / Thesis (M.B.A.)--Chinese University of Hong Kong, 1995. / Includes bibliographical references (leaves 60-64). / ABSTRACT --- p.ii / TABLE OF CONTENTS --- p.iii / LIST OF FIGURES --- p.v / LIST OF TABLES --- p.vi / ACKNOWLEDGMENT --- p.vii / Chapter / Chapter I. --- INTRODUCTION --- p.1 / Chapter II. --- HANG SENG INDEX OPTIONS --- p.3 / Hong Kong Futures Exchange Limited --- p.3 / Hang Seng Index --- p.4 / Basic Characteristics of HSI Options --- p.5 / Chapter III. --- LITERATURE REVIEW --- p.8 / (A) Put-Call Parity --- p.8 / Put-Call Parity on Other Security --- p.10 / Empirical Studies --- p.11 / Put-Call-Futures Parity --- p.12 / (B) Applicability of Black-Scholes Model --- p.14 / Possible Biases in Black-Scholes Model --- p.16 / (C) Hedging Effectiveness of Derivative Instruments --- p.18 / Empirical Evidence --- p.20 / Chapter IV. --- "EMPIRICAL METHODOLOGY, DATA EMPLOYED AND EMPIRICAL FINDINGS" --- p.22 / Chapter (A) --- Methodology and Data Employed in Investigation of Put-Call Parity for HSI Options --- p.22 / Empirical Findings for Put-Call Pariry for HSI Options --- p.26 / Chapter (B) --- Methodology anf Data Employed in Investigation of Applicability of Black-Scholes Model - An Implied Volatility Approach --- p.30 / Empirical Findings for Applicability of Black Scholes Model --- p.35 / Chapter (C) --- Methodology anf Data Employed in Investigation of the Hedging Effectiveness of Different Derivative Instrument / Methodology --- p.40 / Empirical Findings for Hedging Effectiveness of Different Derivative Instruments --- p.45 / Chapter V. --- "CONCLUSIONS, RECENT DEVELOPMENTS AND TRENDS OF HSI OPTIONS" --- p.48 / Conclusions --- p.48 / International Status --- p.49 / Work to Be Done --- p.50 / APPENDICES --- p.51 / BIBLIOGRAPHY --- p.60

by Adelaide Pang Lan-Fong & Danny Poon Yiu-tak. / Thesis (M.B.A.)--Chinese University of Hong Kong, 1993. / Includes bibliographical references (leaves 83-88). / ABSTRACT --- p.ii / TABLE OF CONTENTS --- p.iii / LIST OF ILLUSTRATIONS --- p.v / LIST OF TABLES --- p.vi / LIST OF EXHIBITS --- p.vii / ACKNOWLEDGEMENTS --- p.viii / Chapter / Chapter I. --- INTRODUCTION --- p.1 / Chapter II. --- LITERATURE REVIEW --- p.3 / The Black-Scholes Model --- p.3 / The Test of the Applicability of the Black-Scholes Model --- p.4 / Test of predictability of Black-Scholes Model --- p.5 / Implied Volatility Estimation --- p.5 / Chapter III. --- OPTIONS DEFINED --- p.7 / What are Options ？ --- p.7 / Options Pricing --- p.10 / Intrinsic (Theoretical) Value --- p.10 / Time Value --- p.11 / Price Volatility --- p.12 / Interest Rates --- p.12 / Dividends --- p.12 / Chapter IV. --- HANG SENG INDEX OPTIONS --- p.13 / The Hang Seng Index --- p.13 / Specifications for HSI Options --- p.15 / The Trading Procedures of HSI Options --- p.19 / Advantages of Traded Index Options --- p.21 / Risks involved in Options Trading --- p.23 / Risks of Buying Options --- p.23 / Risk of Writing Options --- p.24 / Chapter V. --- BASIC STRATEGIES OF OPTIONS TRADING --- p.25 / Buy Call --- p.26 / Buy Put --- p.26 / Call Writing --- p.26 / Naked Call Writing --- p.26 / Covered Call Writing --- p.26 / Ratio Covered Call Writing --- p.27 / Put Writing --- p.27 / Naked Put Writing --- p.27 / Covered Put Writing --- p.27 / Ratio Covered Put Writing --- p.28 / Spreads --- p.28 / Bull Spreads --- p.28 / Bear Spreads --- p.28 / Butterfly Spreads --- p.29 / Calendar Spreads --- p.29 / Ratio Spreads --- p.30 / Ratio Calendar Spreads --- p.30 / Straddles --- p.30 / Straddle Purchase / Bottom Straddle --- p.31 / Straddle Write / Top Straddle --- p.31 / Strips --- p.31 / Straps --- p.31 / Strangles --- p.31 / Long Strangle / Bottom Vertical Combination --- p.31 / Short Strangle / Top Vertical Combination --- p.32 / Chapter VI. --- PRICING MODEL --- p.33 / The Biack-Scholes Option Pricing Model --- p.33 / Modifications to Original Black-Scholes Pricing Model --- p.33 / Empirical Analysis and Data Collection --- p.34 / Tests used to determine the performance of Black-Scholes Model --- p.38 / Chapter VII. --- EMPIRICAL RESULTS --- p.39 / Chapter VIII. --- CONCLUSIONS --- p.45 / APPENDICES --- p.48 / BIBLIOGRAPHY --- p.83

Lui Ho-Chung, Oliver. / Thesis (M.B.A.)--Chinese University of Hong Kong, 1992. / Includes bibliographical references (leaves 63-64). / Table of Contents --- p.i / Abstract --- p.iii / List of Tables --- p.v / List of Appendices --- p.vi / Acknowledgments --- p.vii / Chapter / Chapter I --- Methodology --- p.1 / Chapter II --- Issues about the HSIF market --- p.2 / The establishment of the Hong Kong Futures Exchange --- p.2 / The Hang Seng Index --- p.3 / The Hang Seng Index Futures Contracts --- p.4 / Features of futures trading --- p.8 / The 1987 crash and the HKFE --- p.10 / Reforms --- p.12 / The evaluation after the reforms --- p.16 / Existing practices of the HSIF brokerage firms --- p.18 / Issues concerning the HSIF investors --- p.20 / Stimulating the HSIF market --- p.21 / Chapter III --- Issues about options --- p.23 / "Current News (updated to April 20, 1992)" --- p.23 / Options --- p.23 / Determination of option premiums --- p.26 / Options on the Hang Seng Index --- p.28 / Features of options in other markets --- p.30 / Margin requirement --- p.34 / Options on index vs. Options on index futures --- p.36 / Options on index vs. Index futures --- p.37 / Chapter IV --- Issues of option development --- p.39 / Lessons learned from the HSIF market --- p.39 / The trend--derivative products --- p.42 / Factors that make options on the HSI successful --- p.43 / Chapter V --- Conclusion --- p.46 / Appendices --- p.48 / References --- p.63

Fung Wing Tsan. / Thesis (M.Phil.)--Chinese University of Hong Kong, 1993. / Includes bibliographical references (leaves 130-133). / Abstract --- p.i / Acknowledgment --- p.iii / Chapter Chapter 1 --- INTRODUCTION --- p.1 / Chapter Chapter 2 --- THE PRICING OF STOCK INDEX FUTURES --- p.9 / Chapter I. --- The Theoretical Framework --- p.9 / Chapter II. --- Evidence from the US Markets --- p.17 / Chapter III. --- Evidence from Other Markets --- p.21 / Chapter Chapter 3 --- THE PRICE DISCOVERY ROLE OF FUTURES MARKET --- p.24 / Chapter I. --- The Potential of Lead/Lag Relationship between the Stock Index Futures Price and the Stock Index --- p.24 / Chapter II. --- Empirical Evidence for the Lead/Lag Relationship --- p.27 / Chapter Chapter 4 --- THE HEDGING FUNCTION OF STOCK INDEX FUTURES MARKET --- p.30 / Chapter I. --- The Traditional Approach --- p.31 / Chapter II. --- Working's Speculative Hedge Approach --- p.32 / Chapter III. --- The Risk-Minimizing Approach --- p.33 / Chapter IV. --- The Portfolio Allocation Approach --- p.40 / Chapter Chapter 5 --- AN INTRODUCTION TO THE HANG SENG INDEX FUTURES MARKET --- p.44 / Chapter Chapter 6 --- PRICING EFFICIENCY OF THE HANG SENG INDEX FUTURES MARKET --- p.51 / Chapter I. --- Pricing Efficiency of the Hang Seng Index Futures Market with no Transaction Costs --- p.51 / Chapter II. --- Pricing Efficiency of the Hang Seng Index Futures Market with Transaction Costs --- p.59 / Chapter III. --- The Pattern of the Mispricing Series --- p.66 / Chapter IV. --- Test of Pricing Efficiency using Intraday Prices --- p.70 / Chapter Chapter 7 --- PRICE DISCOVERY ROLE OF THE HANG SENG INDEX FUTURES MARKET --- p.85 / Chapter I. --- The Granger-Causality Test --- p.86 / Chapter II. --- Error-Correction Model and Long-Run Relationship between the Stock Price and the Hang Seng Index Futures Price --- p.93 / Chapter III. --- The Simultaneous-Equation Error-Correction Model --- p.96 / Chapter Chapter 8 --- HEDGING EFFECTIVENESS OF THE HANG SENG INDEX FUTURES MARKET --- p.104 / Chapter I. --- The Effectiveness of Hang Seng Index Futures in Reducing Risks Of Stock Portfolios --- p.104 / Chapter II. --- The Hedged Portfolio as an Alternative to Fixed-Income Asset --- p.115 / Chapter III. --- The Effectiveness of Hang Seng Index Futures in Improving Risk´ؤReturn 'Trade-Off --- p.119 / Chapter Chapter 9 --- conclusion --- p.126 / References --- p.130

by Chau Chi-Man. / Thesis (M.B.A.)--Chinese University of Hong Kong, 1987. / Bibliography: leaves 76-78.

by Wong Fat Keung. / Thesis (M.Phil.)--Chinese University of Hong Kong, 2000. / Includes bibliographical references (leaves 44-46). / Abstracts in English and Chinese. / Chapter 1. --- INTRODUCTION --- p.1 / Chapter 2. --- METHODOLOGY --- p.7 / Chapter 2.1 --- Fund's return --- p.7 / Chapter 2.2 --- Value weighted Index of Hedge Funds --- p.8 / Chapter 2.3 --- Sharpe' s(1992) style analysis --- p.8 / Chapter 2.4 --- Econometric Procedure and Hypothesis Test --- p.11 / Chapter 3. --- DATA --- p.15 / Chapter 3.1 --- Market Data --- p.15 / Chapter 3.2 --- Hedge Fund Data --- p.16 / Chapter 3.3 --- Selecting Market Factor --- p.17 / Chapter 4. --- RESULTS --- p.19 / Chapter 4.1 --- Interest Rate Market --- p.19 / Chapter 4.1.1 --- Did the hedge fund industry as a whole manipulate the interest rate market? --- p.19 / Chapter 4.1.2 --- Did the Jaguar Fund NV manipulate the interest rate market? --- p.23 / Chapter 4.1.3 --- Did the Quantum Fund NV manipulate the interest rate market? --- p.24 / Chapter 4.2 --- Hang Seng Index Future Market --- p.26 / Chapter 4.2.1 --- Did the hedge fund industry as a whole manipulate the Hang Seng Index Future Market? --- p.26 / Chapter 4.2.2 --- Did the Jaguar Fund NV manipulate the Hang Seng Index Future Market? --- p.29 / Chapter 4.2.3 --- Did the Quantum Fund NV manipulate the Hang Seng Index Future Market? --- p.31 / Chapter 4.3 --- Hang Seng Index Market --- p.33 / Chapter 4.3.1 --- Did the hedge funds as a whole manipulate the Hang Seng Index Market? --- p.33 / Chapter 4.3.2 --- Did the Jaguar Fund NV manipulate the Hang Seng Index Market? --- p.34 / Chapter 4.3.3 --- Did the Quantum Fund NV manipulate the Hang Seng Index Market? --- p.35 / Chapter 5. --- CONCLUSION --- p.37 / Chapter 5.1 --- Contribution --- p.41 / BIBLIOGRAPHY --- p.44 / APPENDIX A TABLES --- p.47 / Table 1. Hedge Funds in value-weighted Index (vw38) --- p.47 / Table 2. Net Asset Value of Hedge Funds ( --- p.48 / Table 3. Hedge Fund Returns Around Crash --- p.49 / Table 4. Regression result of value-weighted index (vw38) --- p.50 / Table 5. Regression result of individual fund --- p.51 / Table 6. Correlation of return rates between different market segments from 11/1988 to 10/1999 --- p.52 / Table 7. Correlation of return rates between different market segments from 9/1997 to 10/1999 --- p.53 / Table 8. Regression result of 2-month HIBOR rate and dollar positions of hedge funds --- p.54 / Table 9. Regression result of 2-month HIBOR rate and dollar positions of Jaguar Fund NV --- p.55 / Table 10. Regression result of 2-month HIBOR rate and dollar positions of Quantum Fund NV --- p.56 / Table 11. Regression Result of Hang Seng Index Future Price against Dollar Positions of Hedge Funds --- p.57 / Table11b. Estimated Profit of Hedge Funds in the turmoil period in Hang Seng Index Future (in billions) --- p.58 / Table 12. Regression Result of Hang Seng Index Future Price against Dollar Positions of Jaguar Fund NV --- p.59 / Table 12b. Estimated Profit of Jaguar Fund NV in the turmoil periodin Hang Seng Index Future (in HK billions) --- p.60 / Table 13. Regression Result of Hang Seng Index Future Price against Dollar Positions of Quantum Fund NV --- p.61 / Table 13b. Estimated Profit of Quantum Fund NV in the turmoil periodin Hang Seng Index Future (in HK billions) --- p.62 / Table 14. Regression Result of Hang Seng Index Price against Dollar Positions of Hedge Funds --- p.63 / Table 15. Regression Result of Hang Seng Index Price against Dollar Positions of Jaguar Fund NV --- p.64 / Table 16. Regression Result of Hang Seng Index Price against Dollar Positions of Quantum Fund NV --- p.65 / APPENDIX B. FIGURES --- p.67 / Figure 1. Hong Kong Dollar Position of Hedge Funds --- p.67 / Figure 2. Hong Kong Dollar Position of Hedge Funds and 2m HIBOR Rate --- p.68 / Figure 3. Hong Kong Dollar Positions of Jaguar Fund NV --- p.69 / Figure 4. Hong Kong Dollar Positions of Jaguar Fund and 2m HIBOR Rate --- p.70 / Figure 5. Hong Kong Dollar Positions of Quantum Fund NV --- p.71 / Figure 6. Hong Kong Dollar Positions of Quantum Fund NV and 2m HIBOR Rate --- p.72 / Figure 7. Hong Kong Dollar Positions of Hedge Funds in Hang Seng Index Future --- p.73 / Figure 8. Hong Kong Dollar Positions of Hedge Funds in Hang Seng Index Future --- p.74 / Figure 7. Hong Kong Dollar Positions of Hedge Funds in Hang Seng Index Future --- p.73 / Figure 8. Hong Kong Dollar Positions of Hedge Funds in Hang Seng Index Future --- p.74 / Figure 9. Hong Kong Dollar Positions of Jaguar Fund NV in Hang Seng Index Future --- p.75 / Figure 10. Hong Kong Dollar Positions of Jaguar Fund NV in Hang Seng Index Future --- p.76 / Figure 11. Hong Kong Dollar Positions of Quantum Fund NV in Hang Seng Index Future --- p.77 / Figure 13. Hong Kong Dollar Positions of Hedge Funds in Hang Seng --- p.79 / Figure 17. Hong Kong Dollar Positions of Quantum Fund NV in Hang Seng Index --- p.83 / Figure 18. Hong Kong Dollar Positions of Quantum Fund NV in Hang Seng Index --- p.84 / Figure 19. Net Profit of Hedge Funds in Hang Seng Index Future (in HK Billions) --- p.85 / Figure 20. Net Profit of Jaguar Fund NV in Hang Seng Index Future (in HK Billions) --- p.86

by Lee Yiu Cho. / Thesis (M.B.A.)--Chinese University of Hong Kong, 1995. / Includes bibliographical references (leaf 47). / ACKNOWLEDGMENT --- p.iii / ABSTRACT --- p.iv / TABLE OF CONTENTS --- p.v / LIST OF CHARTS --- p.vi / Chapter / Chapter I. --- INTRODUCTION --- p.1 / Chapter II. --- THE HANG SENG INDEX OPTION --- p.3 / Chapter III. --- LITERATURE REVIEW --- p.6 / Chapter IV. --- METHODOLOGY & DATA COLLECTION --- p.9 / Methodology --- p.9 / The Black-Scholes Model --- p.9 / Data Collection --- p.11 / Data Manipulation --- p.13 / Limitation of Data --- p.14 / Chapter V. --- EMPIRICAL RESULTS --- p.16 / General Trading Pattern --- p.16 / Comparison of Actual and Theoretical Premiums --- p.17 / Analysis for 2 Sub-periods --- p.19 / Correlation Between Deviations and Variables --- p.22 / The Degree of in-the-money or out-of-the-money --- p.22 / Actual Premium Level --- p.23 / Transaction Volume --- p.25 / Chapter VI. --- CONCLUSION --- p.26 / CHARTS --- p.29 / BIBLIOGRAPHY --- p.47

by Lee Yui. / Thesis (M.Phil.)--Chinese University of Hong Kong, 1997. / Includes bibliographical references (leaves 70-72). / ACKNOWLEDGMENT --- p.i / ABSTRACT --- p.ii / LIST OF TABLES --- p.iii / LIST OF FIGURES --- p.iv / Chapter CHAPTER 1: --- INTRODUCTION --- p.1 / Chapter CHAPTER 2: --- BACKGROUND INFORMATION --- p.7 / Chapter 2.1 --- Stock Trading in Hong Kong --- p.7 / Chapter 2.1.1 --- History and Recent Trend --- p.8 / Chapter 2.1.2 --- Trading Mechanism of the Stock Exchange of Hong Kong --- p.11 / Chapter 2.1.3 --- Short Sale Restrictions --- p.12 / Chapter 2.1.4 --- Hang Seng Index --- p.14 / Chapter 2.2 --- Hang Seng Index Futures --- p.17 / Chapter 2.2.1 --- History and Recent Trend --- p.18 / Chapter 2.2.2 --- Trading and Settling Methods --- p.22 / Chapter CHAPTER 3: --- LITERATURE REVIEW --- p.24 / Chapter 3.1 --- Studies of Futures Market Efficiency based on Daily Data --- p.24 / Chapter 3.2 --- Studies of Futures Market Efficiency based on Intraday Data --- p.28 / Chapter CHAPTER 4: --- METHODOLOGY --- p.34 / Chapter 4.1 --- Index Futures Efficiency and Arbitrage Profitability --- p.34 / Chapter 4.2 --- Structure of Efficiency Tests --- p.36 / Chapter 4.2.1 --- Test based on Minute by Minute Reported Index --- p.36 / Chapter 4.2.2 --- Ex Post Test based on Transaction Prices of the Constitutent Stocks --- p.37 / Chapter 4.2.3 --- Ex Ante Test --- p.38 / Chapter 4.3 --- An Example for Illustration --- p.39 / Chapter 4.3.1 --- Results of the Efficiency Test based on Reported Index Quotations --- p.40 / Chapter 4.3.2 --- Results of the Ex Post Test based on Transaction Prices --- p.41 / Chapter 4.3.3 --- Results of Ex Ante Test --- p.42 / Chapter 4.4 --- Transaction Costs --- p.43 / Chapter CHAPTER 5: --- DATA AND PRELIMINARY STATISTICS --- p.46 / Chapter 5.1 --- Data from the Stock Market --- p.46 / Chapter 5.2 --- Data from the Futures Market and Money Market --- p.48 / Chapter CHAPTER 6: --- EMPIRICAL RESULTS --- p.49 / Chapter 6.1 --- Frequency of Ex Post Mispricings of Futures Prices --- p.49 / Chapter 6.2 --- Profitability of Hang Seng Index Arbitrage --- p.52 / Chapter 6.2.1 --- Results of Ex Ante Test with an Execution Lag of 30 Seconds --- p.52 / Chapter 6.2.2 --- Results of Ex Ante Test with an Execution Lag longer than 30 Seconds --- p.54 / Chapter 6.3 --- Comparison of Long Arbitrage Profitability and Short Arbitrage Profitability --- p.57 / Chapter 6.3.1 --- Comparison of Ex Post Violations between Long Arbitrage and Short Arbitrage --- p.58 / Chapter 6.3.2 --- Comparison of Ex Ante Profitability between Long Arbitrage and Short Arbitrage --- p.59 / Chapter CHAPTER 7: --- CONCLUSIONS --- p.65 / BIBLIOGRAPHY --- p.70

by Wan Chi-Keung. / Thesis (M.B.A.)--Chinese University of Hong Kong, 1997. / Includes bibliographical references (leaves 33-34). / TABLE OF CONTENTS / ABSTRACT --- p.ii / TABLE OF CONTENTS --- p.iii / LIST OF FIGURES --- p.iv / LIST OF TABLE --- p.v / ACKNOWLEDGEMENT --- p.vi / Chapter / Chapter I. --- INTRODUCTION --- p.1 / Chapter II. --- VOLATILITY SMILE --- p.4 / The Black- Scholes Model --- p.6 / The Implied Tree --- p.7 / The Implied Probability Distribution --- p.10 / Chapter III. --- LITERATURE REVIEW --- p.12 / Chapter IV. --- RECOVERING PROBABILITY DISTRIBUTIONS OF HSI --- p.18 / Shimko's Method --- p.19 / Data Selection --- p.22 / Probability Distributions of HSI --- p.23 / Chapter V. --- CONLUDING REMARKS --- p.27 / APPENDIX --- p.30 / BIBLIOGRAPHY --- p.33

Wong Hau Man, Ben. / Thesis (M.Phil.)--Chinese University of Hong Kong, 1994. / Includes bibliographical references (leaves 85-89). / Abstract / Acknowledgment / Chapter Chapter 1. --- Introduction --- p.1 / Chapter Chapter 2. --- Introduction to the Hang Seng Index Futures Market --- p.9 / Chapter Chapter 3. --- Dynamic Efficiency --- p.17 / Chapter 3.1 --- The Potential Lead/Lag Relationship between the Stock Index Futures price and the Stock Index --- p.18 / Chapter 3.2 --- Empirical Evidence of the Lead/Lag Relationship -the US experience --- p.20 / Chapter 3.3 --- Granger and Engle's Error-Correction Model --- p.21 / Chapter 3.4 --- Error-Correction Model for the Hang Seng Index Futures Price and Hang Seng Index --- p.25 / Chapter 3.5 --- Simultaneous Error-Correction Model --- p.30 / Chapter Chapter 4. --- Price Volatility --- p.38 / Chapter 4.1 --- Why Volatility Matters --- p.38 / Chapter 4.2a --- Theoretical Foundation of the relationship between Futures Trading and Cash Market Volatility --- p.39 / Chapter 4.2b --- Empirical Evidence of Futures Trading and Cash Market Volatility - the US experience --- p.40 / Chapter 4.3 --- The Schwert Estimation Method --- p.42 / Chapter 4.4 --- Hang Seng Index Volatility and Cash Market Trading Volume --- p.47 / Chapter 4.5 --- Hang Seng Index Volatility and Futures Trading Activities --- p.48 / Chapter 4.6 --- Hang Seng Index Volatility and Contract Life Cycle --- p.50 / Chapter Chapter 5. --- Margin Policy --- p.56 / Chapter 5.1 --- The Economic Role of Futures Margin --- p.57 / Chapter 5.2a --- Theoretical Foundation of the relationship between Margin Requirement and Futures Volatility --- p.58 / Chapter 5.2b --- Empirical Evidence of Margin Requirement and Price Volatility --- p.59 / Chapter 5.3 --- HSI Futures Margin Requirement and Probability of Exhaustion --- p.61 / Chapter 5.4 --- HSI Futures Margin Requirement and HSI Futures Volatility --- p.64 / Chapter 5.4a --- Event-Study Approach --- p.64 / Chapter 5.4b --- Alternative Method --- p.66 / Chapter 5.5 --- HSI Futures Leverage and Price Volatility --- p.70 / Chapter Chapter 6. --- Conclusions --- p.81 / REFERENCES --- p.85 / APPENDIX 1. - Data Description --- p.90 / APPENDIX 2. - FIGURES --- p.92 / Chapter - --- Figure 1. Trend of HSI from May 86 to Dec93 --- p.93 / Chapter - --- Figure 2. Trend of HSI Futures Price from May 86 to Dec93 --- p.94 / Chapter - --- Figure 3. Volatility of HSI from May 86 to Dec93 --- p.95 / Chapter - --- Figure 4. HSI Futures Margin and Futures Volatility (Futures volatility is measured in daily change in contracts value) --- p.96